audit full project flows and harden backend

backend/api/cmd/cli/main_test.go

@@ -1,18 +1,31 @@
 package main
 
 import (
+	"regexp"
 	"testing"
 
-	"gorm.io/driver/sqlite"
+	"github.com/DATA-DOG/go-sqlmock"
+	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 )
 
 func TestPrepareAdditiveMigrationsSkipsMissingLegacyTable(t *testing.T) {
-	databaseService, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	sqlDatabase, mock, err := sqlmock.New()
 	if err != nil {
-		t.Fatalf("open sqlite database: %v", err)
+		t.Fatalf("open sql mock: %v", err)
+	}
+	defer sqlDatabase.Close()
+	mock.ExpectQuery(regexp.QuoteMeta("SELECT count(*) FROM information_schema.tables WHERE table_schema = CURRENT_SCHEMA() AND table_name = $1 AND table_type = $2")).
+		WithArgs("gasorder_track_point", "BASE TABLE").
+		WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(0))
+	databaseService, err := gorm.Open(postgres.New(postgres.Config{Conn: sqlDatabase}), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("open postgres mock: %v", err)
 	}
 	if err := prepareAdditiveMigrations(databaseService, "postgres"); err != nil {
 		t.Fatalf("missing legacy table should not require a backfill: %v", err)
 	}
+	if err := mock.ExpectationsWereMet(); err != nil {
+		t.Fatalf("unexpected migration query: %v", err)
+	}
 }